Zoology-Blood Groups

NEET Zoology Blood Groups Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): Rh incompatibility can occur between an Rh-negative mother and an Rh-positive foetus. | Reason (R): The Rh antigens of the foetus do not get exposed to the Rh-negative blood of the mother in the first pregnancy.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

The NCERT context states that Rh incompatibility is a special case observed between an Rh-negative mother and an Rh-positive foetus and that the Rh antigens of the foetus do not get exposed to the mother's blood during the first pregnancy.

Found an issue with this question?